Adds an already created connection interface to the client
Creates a new Bluetooth Low Enery connection interface
Optional
configId: numberCreates a new HTTP(S) connection interface
Optional
configId: numberCreates a new Serial connection interface
Optional
configId: numberRemoves a connection interface from the client
Allows to create new connections to devices and manages them. Alternatively, new connections can be created directly by instantiating their respective the interface classes.